At git sha 034bcda589ae9d64ab3467b254179ed37f9b1635 we have the following issues regarding packaging and licensing.
- there is no "LICENSE" file for snappy and for metrics-core
- we need to update the copyright year in NOTICE files
- we need to copy the Airlift reference from NOTICE in the source root to the NOTICE file reported in the binary package
- copy the Java 8 warning from branch-3.5